AI identification & appraisal estimate

Paleolithic-style Chert Hand Axe Scraper

Submitted photo of Paleolithic-style Chert Hand Axe Scraper
Photo submitted by the user — not generated by AI

User's notes

Paleolithic chert hand axe scraper tool found in Guthrie OK

These notes were written by the person who submitted this item. Appraiser.AI has not verified them, and the AI's identification and estimate may rely on them.

AI Estimated Value

Not an official valuation

$150 - $250

AI estimate as of February 19, 2026 · verify with a professional before acting

AI-Generated · Verify before acting

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This analysis also relies on unverified notes provided by the user, which may be incomplete or inaccurate and could affect the result.

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AI Item Analysis

This is a large lithic implement crafted from chert, measuring approximately 4 to 6 inches in length, designed to fit comfortably within the palm of the hand. The material exhibits a variety of earthy tones, primarily sandy tan and beige, with a significant area of reddish-brown oxidation or iron staining on the left flank. The construction displays a combination of primary percussion flaking and more refined unifacial retouching along the primary working edge to create a scraper surface. The bifacial nature of the tool suggests it functioned as a multi-purpose hand axe. Visible condition issues include heavy patination across the surfaces, which indicates significant age and exposure to the elements. There is some minor edge crushing and hinge fractures resulting from both use-wear and natural taphonomic processes. The stone lacks any modern maker's marks or signatures, consistent with prehistoric artifacts. While identified as Paleolithic by the owner, such tools in North America (Oklahoma) typically correspond to the Paleo-Indian or Archaic periods. The quality or craftsmanship is functional rather than ceremonial, showing expert knowledge of lithic reduction to achieve a sharp, durable edge. The inclusion of visible cortex on certain sections provides a glimpse into the raw cobble from which it was knapped.

AI Appraisal Report

I have examined the digital representations of this lithic implement, identified as a chert hand axe or scraper recovered from Guthrie, Oklahoma. The piece displays classic Paleo-Indian to Early Archaic morphological characteristics, featuring expert bifacial percussion flaking and unifacial retouch consistent with North American lithic traditions. The presence of heavy patination and reddish-brown iron staining suggests prolonged deposition and genuine age. The condition is fair to good, with edge crushing and hinge fractures that reflect authentic use-wear rather than modern manufacture. In the current market, lithic tools of functional, non-ceremonial quality are relatively common, though larger, well-provenanced examples maintain steady demand among regional collectors. This item's value is bolstered by its clear ergonomics but limited by the lack of aesthetic symmetry found in 'showpiece' points. Authenticity verification is significantly limited by image-based analysis; a definitive appraisal requires physical inspection to confirm the absence of modern steel tool marks (microscopic analysis) and more robust provenance documentation to establish legal compliance with antiquity laws. Without a professional site context or chain of custody, the item is valued as a 'field find,' which typically commands lower prices than those with documented archeological histories. To finalize authentication, I would recommend a lithic analyst examine the flake scars under 40x magnification to confirm the patina's consistency across the worked surfaces.

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